Centrifugal air wheel having flow guiding structure and centrifugal air blower

A technology of centrifugal wind wheel and centrifugal fan, which is applied to parts of pumping devices for elastic fluid, mechanical equipment, machines/engines, etc., and can solve the problems of reducing the working efficiency of the wind wheel, turbulent flow, and increasing the vortex noise of the wind wheel, etc. problems, to achieve the effect of improving efficiency, improving efficiency, and optimizing flow direction

Pending Publication Date: 2021-03-02
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this shroud does not solve the problem of gas flowing out from between the blades. Since the air flow has not been dredged, it will flow to the blades in a chaotic manner or collide with each other, resulting in turbulent flow, reducing the working efficiency of the wind wheel and increasing the air flow of the wind wheel. Eddy current noise

Method used

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  • Centrifugal air wheel having flow guiding structure and centrifugal air blower
  • Centrifugal air wheel having flow guiding structure and centrifugal air blower
  • Centrifugal air wheel having flow guiding structure and centrifugal air blower

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Experimental program
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Effect test

Embodiment 1

[0028] see Figure 1-5 , the centrifugal fan with a guide structure in this embodiment includes a centrifugal wind wheel and a drive motor 1, and the drive motor 1 is fixedly connected to the centrifugal wind wheel through a transmission shaft 2; the centrifugal wind wheel includes a base 3, a plurality of The blades 4 and the guide structure fixed on the base 3 along the circumferential direction, the guide structure includes a plurality of guide parts 5 uniformly arranged along the circumferential direction, the guide parts 5 are arc-shaped, the The bending direction of the guide part 5 is the same as that of the blade 4; one end of the guide part 5 extends to the center of the base 3, and the other end extends to the periphery of the base 3; from the center of the base 3 to the periphery of the base 3, The height of the guide part 5 gradually decreases.

[0029] see Figure 1-5 , the arc-shaped structure is composed of three-segment structures, and the three-segment struc...

Embodiment 2

[0039] Different from Embodiment 1, the flow guide structure in this embodiment is arranged in a centrifugal fan with a single centrifugal rotor.

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Abstract

The invention discloses a centrifugal air wheel having a flow guiding structure and a centrifugal air blower. The centrifugal air wheel comprises a base, a plurality of blades which are fixedly arranged on the base in the circumferential direction and the flow guiding structure, wherein the flow guiding structure comprises a plurality of flow guiding parts which are uniformly arrayed in the circumferential direction; the flow guiding parts are of arc structures, and the bending directions of the flow guiding parts are identical to the bending directions of the blades; one end of each of the flow guiding part extends to the center of the base while the other end of each of the flow guiding part extends to the periphery of the base; and from the center of the base to the periphery of the base, the heights of the flow guiding parts are gradually decreased. According to the centrifugal air wheel having the flow guiding structure and the centrifugal air blower disclosed by the invention, internal flowing of fluid can be optimized, and the fluid can be guided to flow toward the blades, so that the fluid flows out of the blades, and thus, the delivery efficiency of the fluid is improved,and energy loss of the fluid is reduced.

Description

technical field [0001] The invention relates to a centrifugal wind wheel and a centrifugal fan, in particular to a centrifugal wind wheel and a centrifugal fan with a guide structure. Background technique [0002] The centrifugal wind wheel refers to the wind wheel that enters the wind in the axial direction and outputs the wind in the radial direction, and uses the centrifugal force to do work to increase the pressure of the air. The center of the wind wheel in the centrifugal wind wheel is the air inlet. The air intake is inhaled, and at the same time, the rotation of the wind wheel exerts a dynamic effect on the airflow, increasing the pressure and speed of the gas. Under the action of centrifugal force, the airflow is discharged along the outlet of the blade flow path between the blades in the impeller. The blades of the existing centrifugal wind rotor are all arc-shaped blades, and when the air flow is discharged from the flow passage between the blades, vortices are ea...

Claims

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Application Information

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IPC IPC(8): F04D29/28F04D29/44F04D29/66
CPCF04D29/281F04D29/441F04D29/666F04D29/667
Inventor 徐跃峰姚碧波覃宏肖凯曹璇
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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